From c2261e74ca7ad289d475afe5bc4cf74e85f3db74 Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Wed, 16 Jun 2010 05:54:21 +0200
Subject: [PATCH] sigaction.2: Add some details for SIGTRAP and si_trapno

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---
 man2/sigaction.2 | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/man2/sigaction.2 b/man2/sigaction.2
index c06037552..a13826df9 100644
--- a/man2/sigaction.2
+++ b/man2/sigaction.2
@@ -368,11 +368,16 @@ of the (configurable) system jiffy (see
 .BR SIGILL ,
 .BR SIGFPE ,
 .BR SIGSEGV ,
+.BR SIGBUS ,
 and
-.B SIGBUS
+.BR SIGTRAP
 fill in
 .I si_addr
 with the address of the fault.
+On some architectures,
+these signals also fill in the
+.I si_trapno
+filed.
 Some suberrors of
 .BR SIGBUS ,
 in particular